Cutting blade



FIG. 1 is a top perspective view of a cutting blade showing my new design;

FIG. 2 is top view thereof, wherein the bottom view is a mirror image thereof;

FIG. 3 is a right side view thereof, wherein the left side view is an identical image thereof; and,

FIG. 4 is a front view thereof, wherein the rear view is an identical image thereof. 

CLAIM I claim the ornamental design for a cutting blade, as shown and described. 